Installation method of large stern roller bearing blocks of anchor handling tug supply (AHTS) vessel for ocean engineering platform

Abstract

The invention belongs to the technical field of shipbuilding and discloses an installation method of large stern roller bearing blocks of an anchor handling tug supply (AHTS) vessel for an ocean engineering platform. The method comprises the following steps: putting a pair of bearing blocks on a standard plate, and respectively arranging a pair of standard centering points, namely a first standard centering point, a second standard centering point, a third standard centering point and a fourth standard centering point, in two shaft holes of the pair of bearing blocks; during field installation, arranging an aligning steel rope between the first standard centering point and the fourth standard centering point, and keeping the aligning steel rope to be on a straight line and in a tensioning state; adjusting the relative positions of the pair of bearing blocks to enable the first standard centering point, the second standard centering point, the third standard centering point and the fourth standard centering point to be abutted against the same side of the aligning steel rope, and keeping the first standard centering point, the second standard centering point, the third standard centering point and the fourth standard centering point to be on the same straight line; and fixing the pair of adjusted bearing blocks through a fastener under the condition that the position of the aligning steel rope is not changed in the process. The invention provides a simple, convenient, feasible, efficient and reasonable installation method of bearing blocks.

Description

technical field [0001] The invention relates to the technical field of shipbuilding, in particular to a method for installing a large-scale stern roller bearing seat of a three-purpose workboat on an ocean engineering platform. Background technique [0002] The stern roller is an important part of the new type of marine workboat. With the increase of the towing capacity and power of the marine workboat, the load and external dimensions of the stern roller also increase accordingly. Since the gap between the stern drum and the hull deck is small, and at the same time, in order to reduce the jump of the stern drum when it rotates, so that the cable or anchor chain can slide smoothly, this puts forward higher requirements for the installation method and precision control of the stern drum. Require. [0003] Generally, the traditional stern roller is installed in two ways: boring and making a dummy shaft. The boring method is installed: use a boring machine to bore the bearing ...

AI Technical Summary

Problems solved by technology

[0004] The invention provides a method for installing a large-scale stern roller bearing seat of a three-purpose workboat on a foreign engineering platform, which solves the technical problems of cumbersome centering operations, high labor intensity, long cycle, low efficiency, and high cost in the prior art.

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